Actively exploited · Published Apr 20, 2022 · Assigned by mitre
CVE-2022-27925
High 7.2 Exploited Ransomware
In plain English
A high-severity path traversal in Zimbra Collaboration Suite (ZCS) from Synacor. Attackers are actively exploiting it in the wild (listed by CISA on August 11, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 98.7% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Sep 1, 2022.
Official description
Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories x_refsource_MISC
- https://wiki.zimbra.com/wiki/Security_Center x_refsource_MISC
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 x_refsource_MISC
- http://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27925 government-resource